<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2017/9/15
 * Time: 11:41
 */

var_dump(E_ALL);
var_dump(E_NOTICE);
$a = [];
var_dump($a['aa']);
echo sprintf('%032b<br>',E_ALL);
echo sprintf('%032b<br>',E_NOTICE);
echo sprintf('%032b<br>',E_PARSE);
echo sprintf('%032b<br>',E_WARNING);
echo sprintf('%032b<br>',E_ERROR);
echo sprintf('%032b<br>',E_COMPILE_ERROR|E_RECOVERABLE_ERROR|E_ERROR|E_CORE_ERROR|E_WARNING|E_NOTICE|E_PARSE);


//
